Which graph represents y is less than or equal to -3x?

The graph shown

Step-by-step explanation:

The line y = -3x is the one shown in the image. To test if this region matches the inequality take a point within the region shown in the image and then substitute it in the inequality, if the inequality is satisfied then the plotted region is correct.

Let's test (-3, 0) the point that clearly lies within the shaded region.

zero is less than nine. Then the inequality is satisfied and the shaded region represents the inequality of

256π units²   (answer b)

step-by-step explanation:

the formula for the surface area of a sphere of radius r

is             a = 4πr²

and so, if r = 8 units, then the surface area is:

a = 4π(8 units)² = 256π units²   (answer b)

if the pizza is divided equally into 2 equal halves then you would get

πr^2/2

where r is the radius of the pizza.

happy to

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